<!DOCTYPE html>
<html lang="zh-CN">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>比特门控物联网 - 智能门控解决方案领导者</title>
    <meta name="description" content="比特门控物联网提供专业的门控设备智能化解决方案，帮助门控厂商快速实现产品智能化转型，提升市场竞争力。">
    <link rel="preconnect" href="https://fonts.googleapis.com">
    <link rel="preconnect" href="https://fonts.gstatic.com" crossorigin>
    <link href="https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap" rel="stylesheet">
    <script src="https://cdn.tailwindcss.com"></script>
    <link href="https://cdn.jsdelivr.net/npm/font-awesome@4.7.0/css/font-awesome.min.css" rel="stylesheet">
    <script>
        tailwind.config = {
            theme: {
                extend: {
                    colors: {
                        primary: '#0066ff',
                        secondary: '#0a2463',
                        tertiary: '#10b981',
                        accent: '#3e92cc',
                        dark: '#0f172a',
                        light: '#f8fafc'
                    },
                    fontFamily: {
                        inter: ['Inter', 'sans-serif'],
                    },
                }
            }
        }
    </script>
    <style type="text/tailwindcss">
        @layer utilities {
            .content-auto {
                content-visibility: auto;
            }
            .text-balance {
                text-wrap: balance;
            }
            .animate-float {
                animation: float 6s ease-in-out infinite;
            }
            .animate-pulse-slow {
                animation: pulse 4s cubic-bezier(0.4, 0, 0.6, 1) infinite;
            }
            .backdrop-blur-xs {
                backdrop-filter: blur(2px);
            }
            .clip-path-slant {
                clip-path: polygon(0 0, 100% 0, 100% 85%, 0 100%);
            }
            .scrollbar-hide::-webkit-scrollbar {
                display: none;
            }
            .scrollbar-hide {
                -ms-overflow-style: none;
                scrollbar-width: none;
            }
        }

        @keyframes float {
            0% {
                transform: translateY(0px);
            }
            50% {
                transform: translateY(-20px);
            }
            100% {
                transform: translateY(0px);
            }
        }

        @keyframes blob {
            0% {
                transform: translate(0px, 0px) scale(1);
            }
            33% {
                transform: translate(30px, -50px) scale(1.1);
            }
            66% {
                transform: translate(-20px, 20px) scale(0.9);
            }
            100% {
                transform: translate(0px, 0px) scale(1);
            }
        }

        .animate-blob {
            animation: blob 7s infinite;
        }

        .animation-delay-2000 {
            animation-delay: 2s;
        }

        .animation-delay-4000 {
            animation-delay: 4s;
        }

        /* 全局动画效果 */
        .animate-fade-in {
            opacity: 0;
            transform: translateY(20px);
            transition: opacity 0.6s ease-out, transform 0.6s ease-out;
        }
        
        .animate-fade-in.active {
            opacity: 1;
            transform: translateY(0);
        }
        
        .animate-scale-in {
            opacity: 0;
            transform: scale(0.95);
            transition: opacity 0.5s ease-out, transform 0.5s ease-out;
        }
        
        .animate-scale-in.active {
            opacity: 1;
            transform: scale(1);
        }

        /* 容器样式 */
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1rem;
        }

        /* 按钮样式 */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            text-decoration: none;
            border-radius: 0.75rem;
            font-weight: 600;
            font-size: 1rem;
            transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            cursor: pointer;
            border: none;
            outline: none;
            position: relative;
            overflow: hidden;
        }

        .btn::before {
            content: '';
            position: absolute;
            top: 0;
            left: -100%;
            width: 100%;
            height: 100%;
            background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
            transition: left 0.5s;
        }

        .btn:hover::before {
            left: 100%;
        }

        .btn--primary {
            background: linear-gradient(135deg, #0066ff, #3e92cc);
            color: white;
            box-shadow: 0 4px 15px rgba(0, 102, 255, 0.3);
            border: 2px solid transparent;
        }

        .btn--primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 25px rgba(0, 102, 255, 0.4);
            background: linear-gradient(135deg, #0052cc, #2d7dd2);
        }

        .btn--primary:active {
            transform: translateY(0);
            box-shadow: 0 4px 15px rgba(0, 102, 255, 0.3);
        }

        .btn--ghost {
            background: transparent;
            color: #0f172a;
            border: 2px solid #e2e8f0;
        }

        .btn--ghost:hover {
            background: #f8fafc;
            border-color: #cbd5e1;
            transform: translateY(-1px);
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
        }

        .btn--outline {
            background: transparent;
            color: #6b7280;
            border: 2px solid #d1d5db;
        }

        .btn--outline:hover {
            background: #f9fafb;
            border-color: #9ca3af;
            color: #374151;
            transform: translateY(-1px);
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
        }

        .btn--outline:focus {
            outline: 2px solid #3b82f6;
            outline-offset: 2px;
        }

        /* 特殊按钮样式 */
        .btn--gradient {
            background: linear-gradient(135deg, #8b5cf6, #ec4899);
            color: white;
            border: 2px solid transparent;
            box-shadow: 0 4px 15px rgba(139, 92, 246, 0.3);
        }

        .btn--gradient:hover {
            background: linear-gradient(135deg, #7c3aed, #db2777);
            transform: translateY(-2px);
            box-shadow: 0 8px 25px rgba(139, 92, 246, 0.4);
        }

        .btn--success {
            background: linear-gradient(135deg, #10b981, #059669);
            color: white;
            border: 2px solid transparent;
            box-shadow: 0 4px 15px rgba(16, 185, 129, 0.3);
        }

        .btn--success:hover {
            background: linear-gradient(135deg, #059669, #047857);
            transform: translateY(-2px);
            box-shadow: 0 8px 25px rgba(16, 185, 129, 0.4);
        }

        /* 导航栏样式 */
        .header {
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid rgba(0, 0, 0, 0.1);
        }

        .header.scrolled {
            background: rgba(255, 255, 255, 0.98);
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
        }

        /* 移动菜单样式 */
        .mobile-menu {
            transform: translateX(100%);
        }

        .mobile-menu.active {
            transform: translateX(0);
        }

        /* 部分标题样式 */
        .section-header {
            text-align: center;
            margin-bottom: 4rem;
        }

        .section-header--center {
            text-align: center;
        }

        .section-header__badge {
            display: inline-block;
            padding: 0.5rem 1rem;
            background: rgba(0, 102, 255, 0.1);
            color: #0066ff;
            border-radius: 9999px;
            font-size: 0.875rem;
            font-weight: 500;
            margin-bottom: 1rem;
        }

        .section-header__title {
            font-size: clamp(1.875rem, 4vw, 3rem);
            font-weight: 700;
            line-height: 1.2;
            margin-bottom: 1.5rem;
        }

        .section-header__desc {
            font-size: 1.125rem;
            color: #6b7280;
            line-height: 1.6;
        }

        /* 行业应用样式 */
        .industries {
            padding: 6rem 0;
            background: #f8fafc;
        }

        .industry-card__image {
            position: relative;
            overflow: hidden;
        }

        .industry-card__image-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(99, 102, 241, 0.8), rgba(139, 92, 246, 0.8));
        }

        .industry-card__image-placeholder {
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            z-index: 1;
        }

        .industry-card__tags {
            display: flex;
            flex-wrap: wrap;
            gap: 0.5rem;
        }

        .industry-card__tag {
            padding: 0.25rem 0.75rem;
            border-radius: 9999px;
            font-size: 0.875rem;
        }

        /* 技术架构样式 */
        .technology {
            padding: 5rem 0;
        }

        .technology__diagram {
            position: relative;
        }

        .tech-layer {
            margin-bottom: 1.5rem;
            position: relative;
        }

        .tech-layer:last-child {
            margin-bottom: 0;
        }

        .tech-item {
            display: inline-block;
            margin: 0.25rem;
        }

        /* 定价方案样式 */
        .pricing {
            padding: 5rem 0;
        }

        .pricing__toggle {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 1rem;
            margin-bottom: 4rem;
        }

        .pricing__toggle-label {
            font-weight: 600;
            color: #6b7280;
            transition: color 0.3s ease;
        }

        .pricing__toggle-label.active {
            color: #1f2937;
        }

        .pricing__toggle-switch {
            position: relative;
            display: inline-block;
            width: 3.5rem;
            height: 1.75rem;
        }

        .pricing__toggle-input {
            opacity: 0;
            width: 0;
            height: 0;
        }

        .pricing__toggle-slider {
            position: absolute;
            cursor: pointer;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: linear-gradient(135deg, #d1d5db, #9ca3af);
            transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            border-radius: 1.75rem;
            box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.1);
        }

        .pricing__toggle-slider:before {
            position: absolute;
            content: "";
            height: 1.25rem;
            width: 1.25rem;
            left: 0.25rem;
            bottom: 0.25rem;
            background: linear-gradient(135deg, #ffffff, #f3f4f6);
            transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            border-radius: 50%;
            box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
        }

        .pricing__toggle-input:checked + .pricing__toggle-slider {
            background: linear-gradient(135deg, #4f46e5, #7c3aed);
            box-shadow: inset 0 2px 4px rgba(79, 70, 229, 0.3);
        }

        .pricing__toggle-input:checked + .pricing__toggle-slider:before {
            transform: translateX(1.75rem);
            box-shadow: 0 4px 8px rgba(79, 70, 229, 0.3);
        }

        .pricing__toggle-input:focus + .pricing__toggle-slider {
            box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
        }

        .pricing-card {
            position: relative;
            transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            border: 2px solid transparent;
            cursor: pointer;
        }

        .pricing-card:hover {
            transform: translateY(-8px);
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
        }

        .pricing-card--hover {
            border-color: #4f46e5 !important;
        }

        .pricing-card--popular {
            transform: scale(1.05);
            border-color: #cbd5e1;
            box-shadow: 0 20px 40px rgba(79, 70, 229, 0.15);
        }

        .pricing-card--popular:hover {
            transform: scale(1.05) translateY(-8px);
            box-shadow: 0 25px 50px rgba(79, 70, 229, 0.2);
        }

        /* 成长方案选中状态的特殊处理 */
        .pricing-card--popular.selected {
            border-color: #10b981 !important;
            box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.3), 0 20px 40px rgba(16, 185, 129, 0.15);
            transform: scale(1.05) translateY(-4px);
        }

        /* 成长方案未选中时的默认状态 */
        .pricing-card--popular:not(.selected) {
            border-color: #cbd5e1;
            box-shadow: 0 20px 40px rgba(79, 70, 229, 0.15);
        }

        .pricing-card__badge {
            position: absolute;
            top: 0;
            right: 0;
            background: linear-gradient(135deg, #4f46e5, #7c3aed);
            color: white;
            padding: 0.5rem 1.5rem;
            font-size: 0.875rem;
            font-weight: 600;
            transform: translateX(2rem) translateY(-0.25rem) rotate(45deg);
            box-shadow: 0 4px 8px rgba(79, 70, 229, 0.3);
            z-index: 10;
        }

        .pricing-card__footer {
            padding: 2rem;
        }

        /* 卡片选中效果 */
        .pricing-card.selected {
            border-color: #4f46e5 !important;
            box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
            transform: translateY(-4px);
        }

        .pricing-card.selected .pricing-card__title {
            color: #4f46e5;
        }

        /* 成长方案选中时的标题颜色 */
        .pricing-card--popular.selected .pricing-card__title {
            color: #10b981 !important;
        }

        .pricing-card.selected::after {
            content: '✓';
            position: absolute;
            top: 1rem;
            right: 1rem;
            width: 2rem;
            height: 2rem;
            background: linear-gradient(135deg, #4f46e5, #7c3aed);
            color: white;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: bold;
            font-size: 1rem;
            z-index: 10;
            animation: success 0.6s ease-out;
            box-shadow: 0 4px 12px rgba(79, 70, 229, 0.4);
        }

        /* 成长方案选中时的特殊勾选标记 */
        .pricing-card--popular.selected::after {
            background: linear-gradient(135deg, #10b981, #059669);
            box-shadow: 0 4px 12px rgba(16, 185, 129, 0.4);
        }

        /* 选择提示 */
        .pricing-card::before {
            content: '点击选择';
            position: absolute;
            top: 1rem;
            right: 1rem;
            background: rgba(0, 0, 0, 0.7);
            color: white;
            padding: 0.25rem 0.5rem;
            border-radius: 0.25rem;
            font-size: 0.75rem;
            opacity: 0;
            transition: opacity 0.3s ease;
            z-index: 10;
        }

        .pricing-card:hover::before {
            opacity: 1;
        }

        .pricing-card.selected::before {
            display: none;
        }

        /* 按钮选中状态 */
        .btn.selected {
            background: linear-gradient(135deg, #4f46e5, #7c3aed);
            color: white;
            box-shadow: 0 4px 15px rgba(79, 70, 229, 0.3);
        }

        .btn.selected:hover {
            background: linear-gradient(135deg, #4338ca, #6d28d9);
            transform: translateY(-2px);
            box-shadow: 0 8px 25px rgba(79, 70, 229, 0.4);
        }

        /* 客户评价样式 */
        .testimonials {
            padding: 5rem 0;
        }

        .testimonial-slide {
            position: relative;
        }

        .testimonial-slide__quote {
            position: absolute;
            top: 1.5rem;
            left: 1.5rem;
            z-index: 1;
        }

        .testimonial-slide__text {
            padding-top: 1.5rem;
            padding-bottom: 2rem;
            padding-left: 1.5rem;
        }

        .testimonial-slide__rating {
            display: flex;
            margin-bottom: 1.5rem;
        }

        .testimonial-slide__author {
            display: flex;
            align-items: center;
        }

        .testimonial-slide__author-avatar {
            width: 4rem;
            height: 4rem;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-size: 1.5rem;
            font-weight: 700;
            margin-right: 1rem;
        }

        .testimonial-indicator {
            width: 0.75rem;
            height: 0.75rem;
            border-radius: 50%;
            transition: all 0.3s ease;
            cursor: pointer;
        }

        .testimonial-indicator--active {
            background-color: #4f46e5;
        }

        /* FAQ样式 */
        .faq {
            padding: 5rem 0;
        }

        .faq__item {
            transition: all 0.3s ease;
        }

        .faq__question {
            width: 100%;
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 1.5rem;
            text-align: left;
            background: none;
            border: none;
            outline: none;
        }

        .faq__question-text {
            font-size: 1.25rem;
            font-weight: 600;
            color: #1f2937;
        }

        .faq__icon {
            width: 1.5rem;
            height: 1.5rem;
            color: #4f46e5;
            transition: transform 0.3s ease;
        }

        .faq__item.active .faq__icon {
            transform: rotate(180deg);
        }

        .faq__answer {
            padding: 0 1.5rem 1.5rem;
            display: none;
        }

        .faq__item.active .faq__answer {
            display: block;
        }

        /* CTA样式 */
        .cta {
            padding: 5rem 0;
        }

        .cta__inner {
            max-width: 75rem;
            margin: 0 auto;
            background: rgba(255, 255, 255, 0.1);
            backdrop-filter: blur(16px);
            border-radius: 1.5rem;
            padding: 2rem 3rem;
            box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
        }

        .demo-form__group {
            margin-bottom: 1rem;
        }

        .demo-form__input {
            width: 100%;
            padding: 0.75rem 1rem;
            border-radius: 0.5rem;
            background: rgba(255, 255, 255, 0.2);
            border: 1px solid rgba(255, 255, 255, 0.3);
            color: white;
            outline: none;
            transition: all 0.3s ease;
        }

        .demo-form__input:focus {
            ring: 2px;
            ring-color: rgba(255, 255, 255, 0.5);
        }

        .demo-form__input::placeholder {
            color: rgba(255, 255, 255, 0.6);
        }

        .demo-form__submit {
            width: 100%;
            background: white;
            color: #4f46e5;
            font-weight: 600;
            padding: 0.75rem 1.5rem;
            border-radius: 0.5rem;
            transition: all 0.3s ease;
            transform: scale(1);
            outline: none;
            border: none;
            cursor: pointer;
        }

        .demo-form__submit:hover {
            background: #f3f4f6;
            transform: scale(1.05);
        }

        .demo-form__submit:focus {
            ring: 2px;
            ring-color: white;
            ring-offset: 2px;
            ring-offset-color: #4f46e5;
        }

        /* 页脚样式 */
        .footer {
            background: #111827;
            color: white;
            padding-top: 4rem;
            padding-bottom: 2rem;
        }

        .footer__logo img {
            height: 2.5rem;
        }

        .footer__social a {
            width: 2.5rem;
            height: 2.5rem;
            border-radius: 50%;
            background: #374151;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #d1d5db;
            transition: all 0.3s ease;
        }

        .footer__social a:hover {
            background: #4f46e5;
            color: white;
        }

        .footer__nav-title {
            font-size: 1.125rem;
            font-weight: 600;
            margin-bottom: 1rem;
            color: #a5b4fc;
        }

        .footer__nav-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .footer__nav-list li {
            margin-bottom: 0.75rem;
        }

        .footer__nav-link {
            color: #9ca3af;
            text-decoration: none;
            transition: color 0.3s ease;
        }

        .footer__nav-link:hover {
            color: white;
        }

        .footer__bottom {
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: space-between;
            gap: 1rem;
        }

        .footer__legal {
            display: flex;
            gap: 1.5rem;
        }

        .footer__legal a {
            color: #6b7280;
            text-decoration: none;
            font-size: 0.875rem;
            transition: color 0.3s ease;
        }

        .footer__legal a:hover {
            color: #d1d5db;
        }

        /* 加载动画 */
        .loading {
            opacity: 0;
            transform: translateY(20px);
            transition: all 0.6s ease-out;
        }

        .loading.loaded {
            opacity: 1;
            transform: translateY(0);
        }

        /* 脉冲动画 */
        @keyframes pulse {
            0%, 100% {
                opacity: 1;
            }
            50% {
                opacity: 0.5;
            }
        }

        .animate-pulse {
            animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
        }

        /* 摇摆动画 */
        @keyframes shake {
            0%, 100% { transform: translateX(0); }
            10%, 30%, 50%, 70%, 90% { transform: translateX(-2px); }
            20%, 40%, 60%, 80% { transform: translateX(2px); }
        }

        .animate-shake {
            animation: shake 0.5s ease-in-out;
        }

        /* 成功动画 */
        @keyframes success {
            0% { transform: scale(0.8); opacity: 0; }
            50% { transform: scale(1.1); }
            100% { transform: scale(1); opacity: 1; }
        }

        .animate-success {
            animation: success 0.6s ease-out;
        }

        /* 焦点状态增强 */
        .btn:focus-visible,
        .pricing__toggle-input:focus-visible + .pricing__toggle-slider {
            outline: 2px solid #4f46e5;
            outline-offset: 2px;
        }

        /* 禁用状态 */
        .btn:disabled {
            opacity: 0.6;
            cursor: not-allowed;
            transform: none !important;
        }

        .btn:disabled:hover {
            transform: none !important;
            box-shadow: none !important;
        }

        /* 响应式设计 */
        @media (max-width: 768px) {
            .container {
                padding: 0 1rem;
            }

            .hero__inner {
                flex-direction: column;
                text-align: center;
            }

            .hero__content {
                order: 2;
            }

            .hero__visual {
                order: 1;
                margin-bottom: 2rem;
            }

            .solutions__grid {
                grid-template-columns: 1fr;
            }

            .features__grid {
                grid-template-columns: 1fr;
            }

            .industries__grid {
                grid-template-columns: 1fr;
            }

            .pricing__grid {
                grid-template-columns: 1fr;
            }

            .pricing-card--popular {
                transform: none;
            }

            .pricing-card--popular:hover {
                transform: translateY(-4px) !important;
            }

            .cta__inner {
                padding: 1.5rem;
            }

            .footer__bottom {
                text-align: center;
            }

            .footer__legal {
                justify-content: center;
            }

            /* 移动端按钮调整 */
            .btn {
                font-size: 0.9rem;
                padding: 0.75rem 1.5rem;
            }

            .btn--large {
                font-size: 1rem;
                padding: 1rem 2rem;
            }
        }

        @media (max-width: 480px) {
            .pricing__toggle {
                flex-direction: column;
                gap: 0.5rem;
            }

            .pricing__toggle-label {
                font-size: 0.9rem;
            }

            .btn {
                font-size: 0.85rem;
                padding: 0.7rem 1.2rem;
            }
        }
    </style>
</head>
<body class="font-inter bg-light text-dark antialiased">
    <!-- 导航栏 -->
    <header class="header fixed top-0 left-0 right-0 z-50 transition-all duration-300">
        <div class="container mx-auto px-4 sm:px-6 lg:px-8">
            <div class="header__inner flex items-center justify-between h-20">
                <div class="header__logo">
                    <a href="#" class="flex items-center space-x-2">
                        <div class="w-10 h-10 bg-gradient-to-br from-primary to-accent rounded-lg flex items-center justify-center">
                            <span class="text-white font-bold text-xl">比</span>
                        </div>
                        <span class="text-xl font-bold bg-clip-text text-transparent bg-gradient-to-r from-primary to-secondary">比特门控物联网</span>
                    </a>
                </div>
                
                <!-- 桌面导航 -->
                <nav class="nav-desktop hidden md:flex items-center space-x-10">
                    <a href="#solutions" class="nav-link font-medium text-dark hover:text-primary transition-colors duration-300">解决方案</a>
                    <a href="#features" class="nav-link font-medium text-dark hover:text-primary transition-colors duration-300">核心功能</a>
                    <a href="#industries" class="nav-link font-medium text-dark hover:text-primary transition-colors duration-300">行业应用</a>
                    <a href="#technology" class="nav-link font-medium text-dark hover:text-primary transition-colors duration-300">技术架构</a>
                    <a href="#pricing" class="nav-link font-medium text-dark hover:text-primary transition-colors duration-300">定价方案</a>
                </nav>
                
                <!-- 导航按钮 -->
                <div class="header__actions hidden md:flex items-center space-x-4">
                    <a href="#demo" class="btn btn--primary bg-gradient-to-r from-primary to-accent text-white px-6 py-2.5 rounded-lg font-medium shadow-lg shadow-primary/20 hover:shadow-xl hover:shadow-primary/30 transition-all duration-300 transform hover:-translate-y-0.5">
                        预约演示
                    </a>
                </div>
                
                <!-- 移动端菜单按钮 -->
                <button class="menu-toggle md:hidden flex items-center justify-center w-10 h-10 text-dark hover:text-primary transition-colors">
                    <svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round">
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                        <line x1="3" y1="6" x2="21" y2="6"></line>
                        <line x1="3" y1="18" x2="21" y2="18"></line>
                    </svg>
                </button>
            </div>
        </div>
        
        <!-- 移动菜单 -->
        <div class="mobile-menu fixed inset-0 bg-dark bg-opacity-95 z-50 transform translate-x-full transition-transform duration-300 ease-in-out flex flex-col">
            <div class="mobile-menu__header flex justify-end p-6">
                <button class="mobile-menu__close w-10 h-10 flex items-center justify-center text-white">
                    <svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round">
                        <line x1="18" y1="6" x2="6" y2="18"></line>
                        <line x1="6" y1="6" x2="18" y2="18"></line>
                    </svg>
                </button>
            </div>
            <div class="mobile-menu__nav flex flex-col items-center justify-center flex-1 space-y-8">
                <a href="#solutions" class="mobile-menu__link text-white text-2xl font-medium hover:text-primary transition-colors duration-300">解决方案</a>
                <a href="#features" class="mobile-menu__link text-white text-2xl font-medium hover:text-primary transition-colors duration-300">核心功能</a>
                <a href="#industries" class="mobile-menu__link text-white text-2xl font-medium hover:text-primary transition-colors duration-300">行业应用</a>
                <a href="#technology" class="mobile-menu__link text-white text-2xl font-medium hover:text-primary transition-colors duration-300">技术架构</a>
                <a href="#pricing" class="mobile-menu__link text-white text-2xl font-medium hover:text-primary transition-colors duration-300">定价方案</a>
                <a href="#demo" class="mobile-menu__link bg-gradient-to-r from-primary to-accent text-white px-8 py-3 rounded-lg font-medium shadow-lg shadow-primary/20 hover:shadow-xl hover:shadow-primary/30 transition-all duration-300 transform hover:-translate-y-0.5">预约演示</a>
            </div>
        </div>
    </header>

    <!-- 英雄区域 -->
    <section class="hero pt-32 pb-20 md:pt-40 md:pb-28 relative overflow-hidden">
        <!-- 背景装饰 -->
        <div class="absolute inset-0 bg-gradient-to-br from-primary/5 to-secondary/5 -z-10"></div>
        <div class="absolute -top-20 -right-20 w-96 h-96 bg-primary/10 rounded-full filter blur-3xl animate-pulse"></div>
        <div class="absolute -bottom-40 -left-20 w-96 h-96 bg-secondary/10 rounded-full filter blur-3xl animate-pulse"></div>
        
        <div class="container mx-auto px-4 sm:px-6 lg:px-8">
            <div class="hero__inner flex flex-col lg:flex-row items-center gap-12 lg:gap-20">
                <!-- 英雄内容 -->
                <div class="hero__content lg:w-1/2 animate-fade-in" data-animation-delay="100">
                    <div class="badge inline-flex items-center px-4 py-1.5 rounded-full bg-gradient-to-r from-primary/10 to-secondary/10 text-primary font-medium text-sm mb-6">
                        <span class="bg-primary/20 p-1 rounded-full mr-2">
                            <svg xmlns="http://www.w3.org/2000/svg" width="12" height="12" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round">
                                <path d="M22 11.08V12a10 10 0 1 1-5.93-9.14"></path>
                                <polyline points="22 4 12 14.01 9 11.01"></polyline>
                            </svg>
                        </span>
                        全新升级 · 2024
                    </div>
                    
                    <h1 class="hero__title text-[clamp(2.5rem,5vw,4rem)] font-bold leading-tight mb-6">
                        重新定义智能门控<br>
                        <span class="bg-clip-text text-transparent bg-gradient-to-r from-primary to-secondary">物联网解决方案</span>
                    </h1>
                    
                    <p class="hero__desc text-lg md:text-xl text-gray-600 mb-8 max-w-lg">
                        为传统门控行业提供完整的智能化升级方案，帮助厂商快速实现产品智能化转型，提升市场竞争力。
                    </p>
                    
                    <div class="hero__cta flex flex-col sm:flex-row gap-4 mb-10">
                        <a href="#demo" class="btn btn--primary bg-gradient-to-r from-primary to-accent text-white px-8 py-3.5 rounded-lg font-semibold shadow-xl shadow-primary/20 hover:shadow-2xl hover:shadow-primary/30 transition-all duration-300 transform hover:-translate-y-1 text-center">
                            <span class="flex items-center justify-center">
                                <svg xmlns="http://www.w3.org/2000/svg" width="18" height="18" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="mr-2">
                                    <path d="M21 12a9 9 0 1 1-9-9c2.52 0 4.93 1 6.74 2.74L21 8"></path>
                                    <polyline points="16 12 21 8 16 4"></polyline>
                                </svg>
                                开始体验
                            </span>
                        </a>
                        <a href="#solutions" class="btn btn--ghost border-2 border-gray-200 text-dark px-8 py-3.5 rounded-lg font-semibold hover:bg-gray-100 transition-all duration-300 text-center">
                            了解更多
                        </a>
                    </div>
                    
                    <!-- 统计数据 -->
                    <div class="hero__stats grid grid-cols-3 gap-4">
                        <div class="hero__stat animate-fade-in" data-animation-delay="300">
                            <span class="hero__stat-number text-3xl font-bold">500+</span>
                            <span class="hero__stat-label text-gray-600 text-sm">合作厂商</span>
                        </div>
                        <div class="hero__stat animate-fade-in" data-animation-delay="500">
                            <span class="hero__stat-number text-3xl font-bold">50万+</span>
                            <span class="hero__stat-label text-gray-600 text-sm">接入设备</span>
                        </div>
                        <div class="hero__stat animate-fade-in" data-animation-delay="700">
                            <span class="hero__stat-number text-3xl font-bold">99.9%</span>
                            <span class="hero__stat-label text-gray-600 text-sm">系统可用性</span>
                        </div>
                    </div>
                </div>
                
                <!-- 英雄图片 -->
                <div class="hero__visual lg:w-1/2 animate-fade-in animate-scale-in" data-animation-delay="500">
                    <div class="relative">
                        <div class="absolute -inset-0.5 bg-gradient-to-r from-primary to-secondary rounded-2xl blur-lg opacity-30 animate-pulse"></div>
                        <div class="relative bg-white rounded-2xl overflow-hidden shadow-2xl border border-gray-100">
                            <img src="images/hero-image.svg" alt="智能门控系统展示" class="hero__image w-full h-auto object-cover">
                            
                            <!-- 悬浮卡片 -->
                            <div class="absolute -bottom-5 -left-5 bg-white rounded-xl shadow-lg p-4 border border-gray-100 animate-scale-in" data-animation-delay="800">
                                <div class="flex items-center space-x-3">
                                    <div class="w-10 h-10 bg-green-100 rounded-full flex items-center justify-center text-green-600">
                                        <svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round">
                                            <circle cx="12" cy="12" r="10"></circle>
                                            <polyline points="16 12 12 8 8 12"></polyline>
                                            <line x1="12" y1="16" x2="12" y2="8"></line>
                                        </svg>
                                    </div>
                                    <div>
                                        <p class="text-sm font-medium">系统正常运行</p>
                                        <p class="text-xs text-gray-500">无异常警报</p>
                                    </div>
                                </div>
                            </div>
                            
                            <!-- 状态卡片 -->
                            <div class="absolute -top-5 -right-5 bg-white rounded-xl shadow-lg p-4 border border-gray-100 animate-scale-in" data-animation-delay="1000">
                                <div class="flex items-center space-x-3">
                                    <div class="w-10 h-10 bg-blue-100 rounded-full flex items-center justify-center text-blue-600">
                                        <svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round">
                                            <rect x="2" y="3" width="20" height="14" rx="2" ry="2"></rect>
                                            <line x1="8" y1="21" x2="16" y2="21"></line>
                                            <line x1="12" y1="17" x2="12" y2="21"></line>
                                        </svg>
                                    </div>
                                    <div>
                                        <p class="text-sm font-medium">实时监控中</p>
                                        <p class="text-xs text-gray-500">5个设备在线</p>
                                    </div>
                                </div>
                            </div>
                        </div>
                    </div>
                </div>
            </div>
        </div>
        
        <!-- 波浪装饰 -->
        <div class="hero__wave absolute bottom-0 left-0 right-0">
            <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1440 120" class="w-full h-auto fill-light">
                <path d="M0,64L80,58.7C160,53,320,43,480,42.7C640,43,800,53,960,58.7C1120,64,1280,64,1360,64L1440,64L1440,120L1360,120C1280,120,1120,120,960,120C800,120,640,120,480,120C320,120,160,120,80,120L0,120Z"></path>
            </svg>
        </div>
    </section>

    <!-- 品牌展示 -->
    <section class="brands py-16 bg-gradient-to-b from-light to-gray-50">
        <div class="container mx-auto px-4 sm:px-6 lg:px-8">
            <p class="brands__text text-center text-gray-500 font-medium mb-12 animate-fade-in" data-animation-delay="200">受到行业领先企业的信任</p>
            
            <div class="brands__grid grid grid-cols-2 sm:grid-cols-3 md:grid-cols-5 gap-8 items-center justify-items-center">
                <div class="brands__item animate-fade-in" data-animation-delay="300">
                    <div class="brands__logo bg-white p-6 rounded-xl shadow-md hover:shadow-lg transition-shadow duration-300 flex items-center justify-center w-full h-20">
                        <div class="text-gray-400 font-medium">企业客户</div>
                    </div>
                </div>
                <div class="brands__item animate-fade-in" data-animation-delay="400">
                    <div class="brands__logo bg-white p-6 rounded-xl shadow-md hover:shadow-lg transition-shadow duration-300 flex items-center justify-center w-full h-20">
                        <div class="text-gray-400 font-medium">行业伙伴</div>
                    </div>
                </div>
                <div class="brands__item animate-fade-in" data-animation-delay="500">
                    <div class="brands__logo bg-white p-6 rounded-xl shadow-md hover:shadow-lg transition-shadow duration-300 flex items-center justify-center w-full h-20">
                        <div class="text-gray-400 font-medium">知名厂商</div>
                    </div>
                </div>
                <div class="brands__item animate-fade-in" data-animation-delay="600">
                    <div class="brands__logo bg-white p-6 rounded-xl shadow-md hover:shadow-lg transition-shadow duration-300 flex items-center justify-center w-full h-20">
                        <div class="text-gray-400 font-medium">技术联盟</div>
                    </div>
                </div>
                <div class="brands__item animate-fade-in" data-animation-delay="700">
                    <div class="brands__logo bg-white p-6 rounded-xl shadow-md hover:shadow-lg transition-shadow duration-300 flex items-center justify-center w-full h-20">
                        <div class="text-gray-400 font-medium">战略合作</div>
                    </div>
                </div>
            </div>
        </div>
    </section>

    <!-- 解决方案 -->
    <section id="solutions" class="solutions py-24 relative overflow-hidden">
        <!-- 背景装饰 -->
        <div class="absolute -top-40 -right-40 w-96 h-96 bg-primary/5 rounded-full filter blur-3xl"></div>
        <div class="absolute -bottom-40 -left-40 w-96 h-96 bg-secondary/5 rounded-full filter blur-3xl"></div>
        
        <div class="container mx-auto px-4 sm:px-6 lg:px-8 relative">
            <!-- 部分标题 -->
            <div class="section-header max-w-3xl mx-auto text-center mb-16 animate-fade-in" data-animation-delay="100">
                <div class="inline-flex items-center px-4 py-1.5 rounded-full bg-primary/10 text-primary font-medium text-sm mb-4">
                    定制化解决方案
                </div>
                <h2 class="section-header__title text-[clamp(1.875rem,4vw,3rem)] font-bold mb-6">
                    双轨方案<br>
                    <span class="text-dark">满足不同需求</span>
                </h2>
                <p class="section-header__desc text-lg text-gray-600">
                    根据不同技术能力提供定制化方案，帮助门控厂商快速实现智能化转型，无需担心技术门槛。
                </p>
            </div>
            
            <!-- 解决方案网格 -->
            <div class="solutions__grid grid md:grid-cols-2 gap-8">
                <!-- 解决方案卡片 1 -->
                <div class="solution-card bg-white rounded-2xl overflow-hidden shadow-xl border border-gray-100 hover:shadow-2xl transition-all duration-500 transform hover:-translate-y-2 animate-fade-in" data-animation-delay="300">
                    <div class="solution-card__header bg-gradient-to-r from-primary to-secondary p-6 text-white">
                        <div class="solution-card__icon w-14 h-14 bg-white/20 backdrop-blur-sm rounded-xl flex items-center justify-center mb-4">
                            <svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24" fill="none" stroke="#ffffff" stroke-width="2" stroke-linecap="round" stroke-linejoin="round">
                                <path d="M14.5 2H6a2 2 0 0 0-2 2v16a2 2 0 0 0 2 2h12a2 2 0 0 0 2-2V7.5L14.5 2z"></path>
                                <polyline points="14 2 14 8 20 8"></polyline>
                                <line x1="16" y1="13" x2="8" y2="13"></line>
                                <line x1="16" y1="17" x2="8" y2="17"></line>
                                <polyline points="10 9 9 9 8 9"></polyline>
                            </svg>
                        </div>
                        <h3 class="solution-card__title text-2xl font-bold">轨道一：纯软件API方案</h3>
                    </div>
                    <div class="solution-card__content p-6">
                        <p class="solution-card__desc text-gray-600 mb-6">
                            为具备研发能力的厂商提供完整的API接口和SDK，无缝集成到现有产品中，保持品牌一致性。
                        </p>
                        <ul class="solution-card__features space-y-3 mb-8">
                            <li class="solution-card__feature flex items-start">
                                <svg xmlns="http://www.w3.org/2000/svg" width="18" height="18" viewBox="0 0 24 24" fill="none" stroke="#3b82f6" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="mr-2 mt-1 flex-shrink-0">
                                    <polyline points="20 6 9 17 4 12"></polyline>
                                </svg>
                                <span>完整的RESTful API接口体系</span>
                            </li>
                            <li class="solution-card__feature flex items-start">
                                <svg xmlns="http://www.w3.org/2000/svg" width="18" height="18" viewBox="0 0 24 24" fill="none" stroke="#3b82f6" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="mr-2 mt-1 flex-shrink-0">
                                    <polyline points="20 6 9 17 4 12"></polyline>
                                </svg>
                                <span>多语言SDK支持（C/C++/Python/Java）</span>
                            </li>
                            <li class="solution-card__feature flex items-start">
                                <svg xmlns="http://www.w3.org/2000/svg" width="18" height="18" viewBox="0 0 24 24" fill="none" stroke="#3b82f6" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="mr-2 mt-1 flex-shrink-0">
                                    <polyline points="20 6 9 17 4 12"></polyline>
                                </svg>
                                <span>专业的技术文档和集成指南</span>
                            </li>
                            <li class="solution-card__feature flex items-start">
                                <svg xmlns="http://www.w3.org/2000/svg" width="18" height="18" viewBox="0 0 24 24" fill="none" stroke="#3b82f6" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="mr-2 mt-1 flex-shrink-0">
                                    <polyline points="20 6 9 17 4 12"></polyline>
                                </svg>
                                <span>灵活的定制化能力和高度扩展</span>
                            </li>
                        </ul>
                    </div>
                    <div class="solution-card__footer p-6 pt-0">
                        <a href="#demo" class="solution-card__cta bg-primary/10 hover:bg-primary/20 text-primary font-medium py-2.5 px-6 rounded-lg transition-colors duration-300 inline-flex items-center">
                            申请API文档
                            <svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="ml-2">
                                <polyline points="9 18 15 12 9 6"></polyline>
                            </svg>
                        </a>
                    </div>
                </div>
                
                <!-- 解决方案卡片 2 -->
                <div class="solution-card bg-white rounded-2xl overflow-hidden shadow-xl border border-gray-100 hover:shadow-2xl transition-all duration-500 transform hover:-translate-y-2 animate-fade-in" data-animation-delay="500">
                    <div class="solution-card__header bg-gradient-to-r from-tertiary to-accent p-6 text-white">
                        <div class="solution-card__icon w-14 h-14 bg-white/20 backdrop-blur-sm rounded-xl flex items-center justify-center mb-4">
                            <svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24" fill="none" stroke="#ffffff" stroke-width="2" stroke-linecap="round" stroke-linejoin="round">
                                <rect x="2" y="4" width="20" height="16" rx="2"></rect>
                                <line x1="2" y1="8" x2="22" y2="8"></line>
                                <line x1="12" y1="2" x2="12" y2="6"></line>
                                <line x1="12" y1="18" x2="12" y2="22"></line>
                                <line x1="4" y1="12" x2="20" y2="12"></line>
                            </svg>
                        </div>
                        <h3 class="solution-card__title text-2xl font-bold">轨道二：软硬件一体化方案</h3>
                    </div>
                    <div class="solution-card__content p-6">
                        <p class="solution-card__desc text-gray-600 mb-6">
                            为技术能力有限的厂商提供即插即用的硬件模块和完整软件解决方案，5分钟完成部署。
                        </p>
                        <ul class="solution-card__features space-y-3 mb-8">
                            <li class="solution-card__feature flex items-start">
                                <svg xmlns="http://www.w3.org/2000/svg" width="18" height="18" viewBox="0 0 24 24" fill="none" stroke="#10b981" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="mr-2 mt-1 flex-shrink-0">
                                    <polyline points="20 6 9 17 4 12"></polyline>
                                </svg>
                                <span>多协议通信模块（4G/WiFi/LoRa）</span>
                            </li>
                            <li class="solution-card__feature flex items-start">
                                <svg xmlns="http://www.w3.org/2000/svg" width="18" height="18" viewBox="0 0 24 24" fill="none" stroke="#10b981" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="mr-2 mt-1 flex-shrink-0">
                                    <polyline points="20 6 9 17 4 12"></polyline>
                                </svg>
                                <span>标准接口适配（UART/SPI/I2C）</span>
                            </li>
                            <li class="solution-card__feature flex items-start">
                                <svg xmlns="http://www.w3.org/2000/svg" width="18" height="18" viewBox="0 0 24 24" fill="none" stroke="#10b981" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="mr-2 mt-1 flex-shrink-0">
                                    <polyline points="20 6 9 17 4 12"></polyline>
                                </svg>
                                <span>完整的设备管理平台和App</span>
                            </li>
                            <li class="solution-card__feature flex items-start">
                                <svg xmlns="http://www.w3.org/2000/svg" width="18" height="18" viewBox="0 0 24 24" fill="none" stroke="#10b981" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="mr-2 mt-1 flex-shrink-0">
                                    <polyline points="20 6 9 17 4 12"></polyline>
                                </svg>
                                <span>快速部署，无需专业开发团队</span>
                            </li>
                        </ul>
                    </div>
                    <div class="solution-card__footer p-6 pt-0">
                        <a href="#demo" class="solution-card__cta bg-gradient-to-r from-tertiary to-accent text-white font-medium py-2.5 px-6 rounded-lg transition-all duration-300 inline-flex items-center shadow-lg shadow-tertiary/20 hover:shadow-xl hover:shadow-tertiary/30">
                            申请硬件样品
                            <svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="ml-2">
                                <polyline points="9 18 15 12 9 6"></polyline>
                            </svg>
                        </a>
                    </div>
                </div>
            </div>
        </div>
    </section>

    <!-- 核心功能 -->
    <section id="features" class="features py-24 bg-gray-50 relative overflow-hidden">
        <!-- 背景装饰 -->
        <div class="absolute top-1/3 -right-20 w-72 h-72 bg-primary/5 rounded-full filter blur-3xl"></div>
        <div class="absolute bottom-1/4 -left-20 w-72 h-72 bg-secondary/5 rounded-full filter blur-3xl"></div>
        
        <div class="container mx-auto px-4 sm:px-6 lg:px-8 relative">
            <!-- 部分标题 -->
            <div class="section-header max-w-3xl mx-auto text-center mb-16 animate-fade-in" data-animation-delay="100">
                <div class="inline-flex items-center px-4 py-1.5 rounded-full bg-primary/10 text-primary font-medium text-sm mb-4">
                    强大功能
                </div>
                <h2 class="section-header__title text-[clamp(1.875rem,4vw,3rem)] font-bold mb-6">
                    为智能门控<br>
                    <span class="text-dark">提供全方位支持</span>
                </h2>
                <p class="section-header__desc text-lg text-gray-600">
                    全面的智能门控管理功能，满足各种应用场景需求，让门控设备更智能、更安全、更高效。
                </p>
            </div>
            
            <!-- 功能网格 -->
            <div class="features__grid grid md:grid-cols-2 lg:grid-cols-4 gap-8">
                <!-- 功能卡片 1 -->
                <div class="feature-card bg-white rounded-2xl p-6 shadow-lg border border-gray-100 hover:shadow-xl transition-all duration-500 transform hover:-translate-y-2 animate-fade-in" data-animation-delay="200">
                    <div class="feature-card__icon w-16 h-16 bg-primary/10 rounded-xl flex items-center justify-center mb-6">
                        <svg xmlns="http://www.w3.org/2000/svg" width="28" height="28" viewBox="0 0 24 24" fill="none" stroke="#3b82f6" stroke-width="2" stroke-linecap="round" stroke-linejoin="round">
                            <rect x="3" y="11" width="18" height="11" rx="2" ry="2"></rect>
                            <path d="M7 11V7a5 5 0 0 1 10 0v4"></path>
                        </svg>
                    </div>
                    <h3 class="feature-card__title text-xl font-bold mb-3">设备安全管理</h3>
                    <p class="feature-card__desc text-gray-600 mb-5">
                        设备注册绑定、状态监控、远程控制，全生命周期管理，保障设备安全可靠运行。
                    </p>
                    <ul class="feature-card__list space-y-2">
                        <li class="flex items-center text-gray-700">
                            <svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="#3b82f6" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="mr-2 flex-shrink-0">
                                <polyline points="20 6 9 17 4 12"></polyline>
                            </svg>
                            双向认证加密
                        </li>
                        <li class="flex items-center text-gray-700">
                            <svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="#3b82f6" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="mr-2 flex-shrink-0">
                                <polyline points="20 6 9 17 4 12"></polyline>
                            </svg>
                            实时状态监控
                        </li>
                        <li class="flex items-center text-gray-700">
                            <svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="#3b82f6" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="mr-2 flex-shrink-0">
                                <polyline points="20 6 9 17 4 12"></polyline>
                            </svg>
                            远程参数配置
                        </li>
                        <li class="flex items-center text-gray-700">
                            <svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="#3b82f6" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="mr-2 flex-shrink-0">
                                <polyline points="20 6 9 17 4 12"></polyline>
                            </svg>
                            设备分组管理
                        </li>
                    </ul>
                </div>
                
                <!-- 功能卡片 2 -->
                <div class="feature-card bg-white rounded-2xl p-6 shadow-lg border border-gray-100 hover:shadow-xl transition-all duration-500 transform hover:-translate-y-2 animate-fade-in" data-animation-delay="300">
                    <div class="feature-card__icon w-16 h-16 bg-secondary/10 rounded-xl flex items-center justify-center mb-6">
                        <svg xmlns="http://www.w3.org/2000/svg" width="28" height="28" viewBox="0 0 24 24" fill="none" stroke="#8b5cf6" stroke-width="2" stroke-linecap="round" stroke-linejoin="round">
                            <path d="M12 19H5a2 2 0 0 1-2-2V7a2 2 0 0 1 2-2h14a2 2 0 0 1 2 2v5.5"></path>
                            <polyline points="16 15 12 11 8 15"></polyline>
                            <line x1="12" y1="11" x2="12" y2="21"></line>
                        </svg>
                    </div>
                    <h3 class="feature-card__title text-xl font-bold mb-3">远程智能控制</h3>
                    <p class="feature-card__desc text-gray-600 mb-5">
                        通过App、小程序、Web端实现远程开关门，定时控制，场景联动，提升使用便捷性。
                    </p>
                    <ul class="feature-card__list space-y-2">
                        <li class="flex items-center text-gray-700">
                            <svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="#8b5cf6" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="mr-2 flex-shrink-0">
                                <polyline points="20 6 9 17 4 12"></polyline>
                            </svg>
                            一键远程控制
                        </li>
                        <li class="flex items-center text-gray-700">
                            <svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="#8b5cf6" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="mr-2 flex-shrink-0">
                                <polyline points="20 6 9 17 4 12"></polyline>
                            </svg>
                            定时任务设置
                        </li>
                        <li class="flex items-center text-gray-700">
                            <svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="#8b5cf6" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="mr-2 flex-shrink-0">
                                <polyline points="20 6 9 17 4 12"></polyline>
                            </svg>
                            多用户权限管理
                        </li>
                        <li class="flex items-center text-gray-700">
                            <svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="#8b5cf6" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="mr-2 flex-shrink-0">
                                <polyline points="20 6 9 17 4 12"></polyline>
                            </svg>
                            场景联动控制
                        </li>
                    </ul>
                </div>
                
                <!-- 功能卡片 3 -->
                <div class="feature-card bg-white rounded-2xl p-6 shadow-lg border border-gray-100 hover:shadow-xl transition-all duration-500 transform hover:-translate-y-2 animate-fade-in" data-animation-delay="400">
                    <div class="feature-card__icon w-16 h-16 bg-tertiary/10 rounded-xl flex items-center justify-center mb-6">
                        <svg xmlns="http://www.w3.org/2000/svg" width="28" height="28" viewBox="0 0 24 24" fill="none" stroke="#10b981" stroke-width="2" stroke-linecap="round" stroke-linejoin="round">
                            <rect x="2" y="2" width="20" height="8" rx="2" ry="2"></rect>
                            <rect x="2" y="14" width="20" height="8" rx="2" ry="2"></rect>
                            <line x1="6" y1="6" x2="6.01" y2="6"></line>
                            <line x1="6" y1="18" x2="6.01" y2="18"></line>
                        </svg>
                    </div>
                    <h3 class="feature-card__title text-xl font-bold mb-3">实时状态监控</h3>
                    <p class="feature-card__desc text-gray-600 mb-5">
                        实时监控门的开关状态、使用频率、故障信息，通过大数据分析提供预测性维护。
                    </p>
                    <ul class="feature-card__list space-y-2">
                        <li class="flex items-center text-gray-700">
                            <svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="#10b981" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="mr-2 flex-shrink-0">
                                <polyline points="20 6 9 17 4 12"></polyline>
                            </svg>
                            实时状态同步
                        </li>
                        <li class="flex items-center text-gray-700">
                            <svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="#10b981" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="mr-2 flex-shrink-0">
                                <polyline points="20 6 9 17 4 12"></polyline>
                            </svg>
                            使用数据统计
                        </li>
                        <li class="flex items-center text-gray-700">
                            <svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="#10b981" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="mr-2 flex-shrink-0">
                                <polyline points="20 6 9 17 4 12"></polyline>
                            </svg>
                            健康状态评估
                        </li>
                        <li class="flex items-center text-gray-700">
                            <svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="#10b981" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="mr-2 flex-shrink-0">
                                <polyline points="20 6 9 17 4 12"></polyline>
                            </svg>
                            维护提醒通知
                        </li>
                    </ul>
                </div>
                
                <!-- 功能卡片 4 -->
                <div class="feature-card bg-white rounded-2xl p-6 shadow-lg border border-gray-100 hover:shadow-xl transition-all duration-500 transform hover:-translate-y-2 animate-fade-in" data-animation-delay="500">
                    <div class="feature-card__icon w-16 h-16 bg-accent/10 rounded-xl flex items-center justify-center mb-6">
                        <svg xmlns="http://www.w3.org/2000/svg" width="28" height="28" viewBox="0 0 24 24" fill="none" stroke="#f97316" stroke-width="2" stroke-linecap="round" stroke-linejoin="round">
                            <path d="M10.29 3.86L1.82 18a2 2 0 0 0 1.71 3h16.94a2 2 0 0 0 1.71-3L13.71 3.86a2 2 0 0 0-3.42 0z"></path>
                            <line x1="12" y1="9" x2="12" y2="13"></line>
                            <line x1="12" y1="17" x2="12.01" y2="17"></line>
                        </svg>
                    </div>
                    <h3 class="feature-card__title text-xl font-bold mb-3">异常报警提醒</h3>
                    <p class="feature-card__desc text-gray-600 mb-5">
                        实时异常检测、分级报警、多渠道通知，保障安全，支持自定义报警规则和通知方式。
                    </p>
                    <ul class="feature-card__list space-y-2">
                        <li class="flex items-center text-gray-700">
                            <svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="#f97316" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="mr-2 flex-shrink-0">
                                <polyline points="20 6 9 17 4 12"></polyline>
                            </svg>
                            异常行为检测
                        </li>
                        <li class="flex items-center text-gray-700">
                            <svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="#f97316" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="mr-2 flex-shrink-0">
                                <polyline points="20 6 9 17 4 12"></polyline>
                            </svg>
                            多级别报警机制
                        </li>
                        <li class="flex items-center text-gray-700">
                            <svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="#f97316" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="mr-2 flex-shrink-0">
                                <polyline points="20 6 9 17 4 12"></polyline>
                            </svg>
                            多渠道通知推送
                        </li>
                        <li class="flex items-center text-gray-700">
                            <svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="#f97316" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="mr-2 flex-shrink-0">
                                <polyline points="20 6 9 17 4 12"></polyline>
                            </svg>
                            报警历史记录
                        </li>
                    </ul>
                </div>
            </div>
            
            <div class="features__extra mt-16 bg-white rounded-2xl shadow-xl p-8 border border-gray-100 animate-fade-in" data-animation-delay="600">
                <div class="features__extra-item flex flex-col md:flex-row items-center md:items-start gap-6 mb-8">
                    <div class="features__extra-icon w-16 h-16 bg-primary/10 rounded-xl flex items-center justify-center flex-shrink-0">
                        <svg xmlns="http://www.w3.org/2000/svg" width="32" height="32" viewBox="0 0 24 24" fill="none" stroke="#3b82f6" stroke-width="2" stroke-linecap="round" stroke-linejoin="round">
                            <circle cx="12" cy="12" r="10"></circle>
                            <polyline points="12 6 12 12 16 14"></polyline>
                        </svg>
                    </div>
                    <div class="features__extra-content">
                        <h4 class="features__extra-title text-xl font-bold mb-3">OTA远程升级</h4>
                        <p class="features__extra-desc text-gray-600 leading-relaxed">远程固件升级、版本管理、灰度发布，持续优化产品功能，提升用户体验。</p>
                    </div>
                </div>
                
                <div class="features__extra-item flex flex-col md:flex-row items-center md:items-start gap-6 mb-8">
                    <div class="features__extra-icon w-16 h-16 bg-secondary/10 rounded-xl flex items-center justify-center flex-shrink-0">
                        <svg xmlns="http://www.w3.org/2000/svg" width="32" height="32" viewBox="0 0 24 24" fill="none" stroke="#8b5cf6" stroke-width="2" stroke-linecap="round" stroke-linejoin="round">
                            <path d="M21 12.79A9 9 0 1 1 11.21 3 7 7 0 0 0 21 12.79z"></path>
                        </svg>
                    </div>
                    <div class="features__extra-content">
                        <h4 class="features__extra-title text-xl font-bold mb-3">安全认证体系</h4>
                        <p class="features__extra-desc text-gray-600 leading-relaxed">双向TLS认证、数据加密传输、完整审计日志，保障系统和数据安全。</p>
                    </div>
                </div>
                
                <div class="features__extra-item flex flex-col md:flex-row items-center md:items-start gap-6">
                    <div class="features__extra-icon w-16 h-16 bg-tertiary/10 rounded-xl flex items-center justify-center flex-shrink-0">
                        <svg xmlns="http://www.w3.org/2000/svg" width="32" height="32" viewBox="0 0 24 24" fill="none" stroke="#10b981" stroke-width="2" stroke-linecap="round" stroke-linejoin="round">
                            <polyline points="23 4 23 10 17 10"></polyline>
                            <polyline points="1 20 1 14 7 14"></polyline>
                            <path d="M3.51 9a9 9 0 0 1 14.85-3.36L23 10M1 14l4.64 4.36A9 9 0 0 0 20.49 15"></path>
                        </svg>
                    </div>
                    <div class="features__extra-content">
                        <h4 class="features__extra-title text-xl font-bold mb-3">数据分析洞察</h4>
                        <p class="features__extra-desc text-gray-600 leading-relaxed">多维度数据分析、用户行为分析、设备健康监控，为业务决策提供数据支持。</p>
                    </div>
                </div>
            </div>
        </div>
    </section>

    <!-- 行业应用 -->
    <section id="industries" class="industries">
        <div class="container mx-auto px-4 sm:px-6 lg:px-8">
            <div class="section-header section-header--center animate-fade-in" data-animation-delay="100">
                <span class="section-header__badge">行业应用</span>
                <h2 class="section-header__title">全场景覆盖<br>多行业解决方案</h2>
                <p class="section-header__desc">针对不同行业特点和需求，提供定制化的智能门控解决方案，助力各行业数字化转型。</p>
            </div>
            
            <div class="industries__grid grid md:grid-cols-3 gap-8">
                <!-- 行业卡片 1 -->
                <div class="industry-card bg-white rounded-xl shadow-lg overflow-hidden border border-gray-100 transition-all duration-300 hover:shadow-xl hover:-translate-y-1">
                    <div class="industry-card__image h-48 bg-gradient-to-br from-indigo-500 to-purple-600 relative">
                        <div class="industry-card__image-overlay"></div>
                        <div class="industry-card__image-placeholder">
                            <svg xmlns="http://www.w3.org/2000/svg" width="60" height="60" viewBox="0 0 24 24" fill="none" stroke="#ffffff" stroke-width="1" stroke-linecap="round" stroke-linejoin="round">
                                <path d="M3 9l9-7 9 7v11a2 2 0 0 1-2 2H5a2 2 0 0 1-2-2z"></path>
                                <polyline points="9 22 9 12 15 12 15 22"></polyline>
                            </svg>
                        </div>
                    </div>
                    <div class="industry-card__content p-6">
                        <h3 class="industry-card__title text-xl font-bold text-gray-800 mb-3">住宅社区</h3>
                        <p class="industry-card__desc text-gray-600 mb-4">为家庭用户提供智能庭院大门、车库门控制解决方案，支持远程控制、定时开关、多用户权限管理。</p>
                        <div class="industry-card__tags flex flex-wrap gap-2">
                            <span class="industry-card__tag bg-indigo-100 text-indigo-700 px-3 py-1 rounded-full text-sm">远程控制</span>
                            <span class="industry-card__tag bg-indigo-100 text-indigo-700 px-3 py-1 rounded-full text-sm">访客授权</span>
                            <span class="industry-card__tag bg-indigo-100 text-indigo-700 px-3 py-1 rounded-full text-sm">异常报警</span>
                        </div>
                    </div>
                </div>
                
                <!-- 行业卡片 2 -->
                <div class="industry-card bg-white rounded-xl shadow-lg overflow-hidden border border-gray-100 transition-all duration-300 hover:shadow-xl hover:-translate-y-1">
                    <div class="industry-card__image h-48 bg-gradient-to-br from-indigo-500 to-purple-600 relative">
                        <div class="industry-card__image-overlay"></div>
                        <div class="industry-card__image-placeholder">
                            <svg xmlns="http://www.w3.org/2000/svg" width="60" height="60" viewBox="0 0 24 24" fill="none" stroke="#ffffff" stroke-width="1" stroke-linecap="round" stroke-linejoin="round">
                                <rect x="2" y="3" width="20" height="14" rx="2" ry="2"></rect>
                                <line x1="8" y1="21" x2="16" y2="21"></line>
                                <line x1="12" y1="17" x2="12" y2="21"></line>
                            </svg>
                        </div>
                    </div>
                    <div class="industry-card__content p-6">
                        <h3 class="industry-card__title text-xl font-bold text-gray-800 mb-3">商业办公</h3>
                        <p class="industry-card__desc text-gray-600 mb-4">为商场、办公楼提供智能门控管理，支持员工权限管理、访客登记、使用统计分析。</p>
                        <div class="industry-card__tags">
                            <span class="industry-card__tag bg-indigo-100 text-indigo-700 px-3 py-1 rounded-full text-sm">权限管理</span>
                            <span class="industry-card__tag bg-indigo-100 text-indigo-700 px-3 py-1 rounded-full text-sm">考勤联动</span>
                            <span class="industry-card__tag bg-indigo-100 text-indigo-700 px-3 py-1 rounded-full text-sm">流量统计</span>
                        </div>
                    </div>
                </div>
                
                <!-- 行业卡片 3 -->
                <div class="industry-card bg-white rounded-xl shadow-lg overflow-hidden border border-gray-100 transition-all duration-300 hover:shadow-xl hover:-translate-y-1">
                    <div class="industry-card__image h-48 bg-gradient-to-br from-indigo-500 to-purple-600 relative">
                        <div class="industry-card__image-overlay"></div>
                        <div class="industry-card__image-placeholder">
                            <svg xmlns="http://www.w3.org/2000/svg" width="60" height="60" viewBox="0 0 24 24" fill="none" stroke="#ffffff" stroke-width="1" stroke-linecap="round" stroke-linejoin="round">
                                <polygon points="12 2 2 7 12 12 22 7 12 2"></polygon>
                                <polyline points="2 17 12 22 22 17"></polyline>
                                <polyline points="2 12 12 17 22 12"></polyline>
                            </svg>
                        </div>
                    </div>
                    <div class="industry-card__content p-6">
                        <h3 class="industry-card__title text-xl font-bold text-gray-800 mb-3">工业制造</h3>
                        <p class="industry-card__desc text-gray-600 mb-4">为工厂、仓库提供高安全性的门控解决方案，支持多设备协同、生产系统对接。</p>
                        <div class="industry-card__tags">
                            <span class="industry-card__tag bg-indigo-100 text-indigo-700 px-3 py-1 rounded-full text-sm">工业级稳定性</span>
                            <span class="industry-card__tag bg-indigo-100 text-indigo-700 px-3 py-1 rounded-full text-sm">自动化控制</span>
                            <span class="industry-card__tag bg-indigo-100 text-indigo-700 px-3 py-1 rounded-full text-sm">操作审计</span>
                        </div>
                    </div>
                </div>
            </div>
        </div>
    </section>

    <!-- 技术架构 -->
    <section id="technology" class="technology relative overflow-hidden bg-gradient-to-br from-blue-50 to-indigo-50 py-20">
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                    <h2 class="section-header__title text-4xl md:text-5xl font-bold mb-6 bg-clip-text text-transparent bg-gradient-to-r from-blue-700 to-indigo-700">高性能云平台<br>架构设计</h2>
                    <p class="section-header__desc text-gray-600 text-lg mb-8 leading-relaxed">采用先进的云原生架构，支持百万级设备接入，保障系统稳定可靠运行，提供卓越的用户体验。</p>
                    
                    <div class="technology__features space-y-6">
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                            <div class="technology__feature-content">
                                <h4 class="technology__feature-title text-xl font-semibold text-gray-800">毫秒级响应</h4>
                                <p class="technology__feature-desc text-gray-600">控制指令响应时间小于3秒，状态同步小于1秒</p>
                            </div>
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                        <div class="technology__feature flex items-start gap-4 bg-white p-4 rounded-xl shadow-sm hover:shadow-md transition-all duration-300 animate-scale-in" data-animation-delay="600">
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                                <svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24" fill="none" stroke="#3b82f6" stroke-width="2" stroke-linecap="round" stroke-linejoin="round">
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                            <div class="technology__feature-content">
                                <h4 class="technology__feature-title text-xl font-semibold text-gray-800">99.9%可用</h4>
                                <p class="technology__feature-desc text-gray-600">多地域部署，自动故障转移，保障服务高可用</p>
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                        <div class="technology__feature flex items-start gap-4 bg-white p-4 rounded-xl shadow-sm hover:shadow-md transition-all duration-300 animate-scale-in" data-animation-delay="700">
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                            <div class="technology__feature-content">
                                <h4 class="technology__feature-title text-xl font-semibold text-gray-800">安全可靠</h4>
                                <p class="technology__feature-desc text-gray-600">端到端加密，完整的安全审计，保障数据安全</p>
                            </div>
                        </div>
                    </div>
                    
                    <a href="#demo" class="btn btn--primary inline-block mt-10 px-8 py-3 bg-gradient-to-r from-blue-600 to-indigo-600 text-white font-medium rounded-full shadow-lg hover:shadow-xl hover:-translate-y-1 transition-all duration-300">查看技术白皮书</a>
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                        <!-- 技术架构图示意 -->
                        <div class="tech-layer mb-6 bg-gradient-to-r from-blue-500 to-indigo-600 p-4 rounded-xl shadow-lg animate-float">
                            <div class="tech-layer__title text-white text-xl font-bold mb-3">应用层</div>
                            <div class="tech-layer__items flex flex-wrap gap-2">
                                <div class="tech-item bg-white/20 text-white px-3 py-1 rounded-lg backdrop-blur-sm">用户管理</div>
                                <div class="tech-item bg-white/20 text-white px-3 py-1 rounded-lg backdrop-blur-sm">设备管理</div>
                                <div class="tech-item bg-white/20 text-white px-3 py-1 rounded-lg backdrop-blur-sm">数据分析</div>
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                        <div class="tech-layer mb-6 bg-gradient-to-r from-indigo-500 to-purple-600 p-4 rounded-xl shadow-lg animate-float" style="animation-delay: 0.2s;">
                            <div class="tech-layer__title text-white text-xl font-bold mb-3">服务层</div>
                            <div class="tech-layer__items flex flex-wrap gap-2">
                                <div class="tech-item bg-white/20 text-white px-3 py-1 rounded-lg backdrop-blur-sm">API服务</div>
                                <div class="tech-item bg-white/20 text-white px-3 py-1 rounded-lg backdrop-blur-sm">消息服务</div>
                                <div class="tech-item bg-white/20 text-white px-3 py-1 rounded-lg backdrop-blur-sm">推送服务</div>
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                        <div class="tech-layer mb-6 bg-gradient-to-r from-purple-500 to-pink-600 p-4 rounded-xl shadow-lg animate-float" style="animation-delay: 0.4s;">
                            <div class="tech-layer__title text-white text-xl font-bold mb-3">平台层</div>
                            <div class="tech-layer__items flex flex-wrap gap-2">
                                <div class="tech-item bg-white/20 text-white px-3 py-1 rounded-lg backdrop-blur-sm">设备接入</div>
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                                <div class="tech-item bg-white/20 text-white px-3 py-1 rounded-lg backdrop-blur-sm">AI分析</div>
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                        <div class="tech-layer bg-gradient-to-r from-pink-500 to-red-600 p-4 rounded-xl shadow-lg animate-float" style="animation-delay: 0.6s;">
                            <div class="tech-layer__title text-white text-xl font-bold mb-3">基础设施层</div>
                            <div class="tech-layer__items flex flex-wrap gap-2">
                                <div class="tech-item bg-white/20 text-white px-3 py-1 rounded-lg backdrop-blur-sm">容器云</div>
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                                <div class="tech-item bg-white/20 text-white px-3 py-1 rounded-lg backdrop-blur-sm">缓存</div>
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                        <!-- 连接线装饰 -->
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                </div>
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        </div>
    </section>

    <!-- 定价方案 -->
    <section id="pricing" class="pricing relative overflow-hidden bg-white py-20">
        <!-- 背景装饰元素 -->
        <div class="absolute top-0 left-0 w-full h-64 bg-gradient-to-b from-indigo-50 to-transparent opacity-50"></div>
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                <span class="section-header__badge inline-block px-4 py-1.5 bg-indigo-100 text-indigo-700 rounded-full text-sm font-medium mb-6">灵活定价</span>
                <h2 class="section-header__title text-4xl md:text-5xl font-bold mb-6 bg-clip-text text-transparent bg-gradient-to-r from-indigo-700 to-purple-700">按需选择<br>适合你的方案</h2>
                <p class="section-header__desc text-gray-600 text-lg mb-12 max-w-3xl mx-auto leading-relaxed">根据企业规模和需求，提供灵活的定价方案，支持按量付费和包年包月，满足不同阶段的业务需求。</p>
            </div>
            
            <div class="pricing__toggle flex items-center justify-center space-x-4 mb-8">
                <span class="pricing__toggle-label text-gray-600 font-medium active">按月付费</span>
                <label class="pricing__toggle-switch relative inline-block w-14 h-7 cursor-pointer">
                    <input type="checkbox" class="pricing__toggle-input opacity-0 w-0 h-0">
                    <span class="pricing__toggle-slider absolute cursor-pointer inset-0 bg-gray-300 rounded-full transition-all duration-300 before:absolute before:content-[''] before:h-5 before:w-5 before:left-1 before:bottom-1 before:bg-white before:rounded-full before:transition-all before:duration-300 checked:bg-indigo-600 checked:before:translate-x-7"></span>
                </label>
                <span class="pricing__toggle-label text-gray-600 font-medium">按年付费</span>
            </div>
            
            <div class="text-center mb-8">
                <p class="text-sm text-gray-500">💡 点击卡片选择您需要的方案</p>
            </div>
            
            <div class="pricing__grid grid md:grid-cols-3 gap-8">
                <!-- 定价卡片 1 -->
                <div class="pricing-card bg-white rounded-2xl shadow-lg overflow-hidden border border-gray-100 transition-all duration-300 hover:shadow-xl hover:-translate-y-2 animate-scale-in" data-animation-delay="400">
                    <div class="pricing-card__header p-8 bg-gradient-to-r from-indigo-50 to-purple-50">
                        <h3 class="pricing-card__title text-2xl font-bold text-gray-800">初创方案</h3>
                        <p class="pricing-card__subtitle text-gray-600 mt-2">适合小型门控厂商</p>
                    </div>
                    <div class="pricing-card__price p-8 border-b border-gray-100">
                        <span class="pricing-card__currency text-3xl font-semibold text-gray-400">¥</span>
                        <span class="pricing-card__number text-5xl font-bold text-gray-800">999</span>
                        <span class="pricing-card__period text-xl font-semibold text-gray-400">/月</span>
                    </div>
                    <div class="pricing-card__features p-8 space-y-4">
                        <div class="pricing-card__feature flex items-center">
                            <svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="#34c759" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="mr-3 flex-shrink-0">
                                <polyline points="20 6 9 17 4 12"></polyline>
                            </svg>
                            <span class="text-gray-700">最多500台设备接入</span>
                        </div>
                        <div class="pricing-card__feature flex items-center">
                            <svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="#34c759" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="mr-3 flex-shrink-0">
                                <polyline points="20 6 9 17 4 12"></polyline>
                            </svg>
                            <span class="text-gray-700">基础API接口访问</span>
                        </div>
                        <div class="pricing-card__feature flex items-center">
                            <svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="#34c759" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="mr-3 flex-shrink-0">
                                <polyline points="20 6 9 17 4 12"></polyline>
                            </svg>
                            <span class="text-gray-700">标准设备管理功能</span>
                        </div>
                        <div class="pricing-card__feature flex items-center">
                            <svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="#34c759" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="mr-3 flex-shrink-0">
                                <polyline points="20 6 9 17 4 12"></polyline>
                            </svg>
                            <span class="text-gray-700">邮件技术支持</span>
                        </div>
                        <div class="pricing-card__feature pricing-card__feature--disabled flex items-center opacity-60">
                            <svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="#a1a1a6" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="mr-3 flex-shrink-0">
                                <line x1="18" y1="6" x2="6" y2="18"></line>
                                <line x1="6" y1="6" x2="18" y2="18"></line>
                            </svg>
                            <span>高级数据分析</span>
                        </div>
                        <div class="pricing-card__feature pricing-card__feature--disabled flex items-center opacity-60">
                            <svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="#a1a1a6" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="mr-3 flex-shrink-0">
                                <line x1="18" y1="6" x2="6" y2="18"></line>
                                <line x1="6" y1="6" x2="18" y2="18"></line>
                            </svg>
                            <span>专属客户经理</span>
                        </div>
                    </div>
                    <div class="pricing-card__footer p-8">
                        <a href="#demo" class="btn btn--outline inline-block w-full py-3 border-2 border-gray-300 text-gray-700 font-medium rounded-full shadow-md hover:shadow-lg hover:-translate-y-1 transition-all duration-300 text-center">开始试用</a>
                    </div>
                </div>
                
                <!-- 定价卡片 2 -->
                <div class="pricing-card pricing-card--popular bg-white rounded-2xl shadow-xl overflow-hidden border-2 border-indigo-500 relative transition-all duration-300 hover:shadow-2xl hover:-translate-y-3 animate-scale-in" data-animation-delay="500">
                    <div class="pricing-card__badge absolute top-0 right-0 bg-indigo-600 text-white px-6 py-1 text-sm font-medium transform translate-x-8 -translate-y-1 rotate-45">最受欢迎</div>
                    <div class="pricing-card__header p-8 bg-gradient-to-r from-indigo-500 to-purple-600 text-white">
                        <h3 class="pricing-card__title text-2xl font-bold">成长方案</h3>
                        <p class="pricing-card__subtitle text-indigo-100 mt-2">适合中型门控厂商</p>
                    </div>
                    <div class="pricing-card__price p-8 border-b border-gray-100">
                        <span class="pricing-card__currency text-3xl font-semibold text-gray-400">¥</span>
                        <span class="pricing-card__number text-5xl font-bold text-gray-800">2999</span>
                        <span class="pricing-card__period text-xl font-semibold text-gray-400">/月</span>
                    </div>
                    <div class="pricing-card__features p-8 space-y-4">
                        <div class="pricing-card__feature flex items-center">
                            <svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="#34c759" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="mr-3 flex-shrink-0">
                                <polyline points="20 6 9 17 4 12"></polyline>
                            </svg>
                            <span class="text-gray-700">最多5000台设备接入</span>
                        </div>
                        <div class="pricing-card__feature flex items-center">
                            <svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="#34c759" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="mr-3 flex-shrink-0">
                                <polyline points="20 6 9 17 4 12"></polyline>
                            </svg>
                            <span class="text-gray-700">完整API接口访问</span>
                        </div>
                        <div class="pricing-card__feature flex items-center">
                            <svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="#34c759" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="mr-3 flex-shrink-0">
                                <polyline points="20 6 9 17 4 12"></polyline>
                            </svg>
                            <span class="text-gray-700">高级设备管理功能</span>
                        </div>
                        <div class="pricing-card__feature flex items-center">
                            <svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="#34c759" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="mr-3 flex-shrink-0">
                                <polyline points="20 6 9 17 4 12"></polyline>
                            </svg>
                            <span class="text-gray-700">7x12小时技术支持</span>
                        </div>
                        <div class="pricing-card__feature flex items-center">
                            <svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="#34c759" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="mr-3 flex-shrink-0">
                                <polyline points="20 6 9 17 4 12"></polyline>
                            </svg>
                            <span class="text-gray-700">基础数据分析</span>
                        </div>
                        <div class="pricing-card__feature pricing-card__feature--disabled flex items-center opacity-60">
                            <svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="#a1a1a6" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="mr-3 flex-shrink-0">
                                <line x1="18" y1="6" x2="6" y2="18"></line>
                                <line x1="6" y1="6" x2="18" y2="18"></line>
                            </svg>
                            <span>专属客户经理</span>
                        </div>
                    </div>
                    <div class="pricing-card__footer p-8">
                        <a href="#demo" class="btn btn--primary inline-block w-full py-3 bg-gradient-to-r from-indigo-600 to-purple-600 text-white font-medium rounded-full shadow-lg hover:shadow-xl hover:-translate-y-1 transition-all duration-300 text-center">立即购买</a>
                    </div>
                </div>
                
                <!-- 定价卡片 3 -->
                <div class="pricing-card bg-white rounded-2xl shadow-lg overflow-hidden border border-gray-100 transition-all duration-300 hover:shadow-xl hover:-translate-y-2 animate-scale-in" data-animation-delay="600">
                    <div class="pricing-card__header p-8 bg-gradient-to-r from-purple-50 to-pink-50">
                        <h3 class="pricing-card__title text-2xl font-bold text-gray-800">企业方案</h3>
                        <p class="pricing-card__subtitle text-gray-600 mt-2">适合大型门控厂商</p>
                    </div>
                    <div class="pricing-card__price p-8 border-b border-gray-100">
                        <span class="pricing-card__currency text-3xl font-semibold text-gray-400">¥</span>
                        <span class="pricing-card__number text-5xl font-bold text-gray-800">9999</span>
                        <span class="pricing-card__period text-xl font-semibold text-gray-400">/月</span>
                    </div>
                    <div class="pricing-card__features p-8 space-y-4">
                        <div class="pricing-card__feature flex items-center">
                            <svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="#34c759" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="mr-3 flex-shrink-0">
                                <polyline points="20 6 9 17 4 12"></polyline>
                            </svg>
                            <span class="text-gray-700">无限设备接入</span>
                        </div>
                        <div class="pricing-card__feature flex items-center">
                            <svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="#34c759" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="mr-3 flex-shrink-0">
                                <polyline points="20 6 9 17 4 12"></polyline>
                            </svg>
                            <span class="text-gray-700">定制化API接口</span>
                        </div>
                        <div class="pricing-card__feature flex items-center">
                            <svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="#34c759" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="mr-3 flex-shrink-0">
                                <polyline points="20 6 9 17 4 12"></polyline>
                            </svg>
                            <span class="text-gray-700">企业级设备管理</span>
                        </div>
                        <div class="pricing-card__feature flex items-center">
                            <svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="#34c759" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="mr-3 flex-shrink-0">
                                <polyline points="20 6 9 17 4 12"></polyline>
                            </svg>
                            <span class="text-gray-700">7x24小时技术支持</span>
                        </div>
                        <div class="pricing-card__feature flex items-center">
                            <svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="#34c759" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="mr-3 flex-shrink-0">
                                <polyline points="20 6 9 17 4 12"></polyline>
                            </svg>
                            <span class="text-gray-700">高级数据分析与报表</span>
                        </div>
                        <div class="pricing-card__feature flex items-center">
                            <svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="#34c759" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="mr-3 flex-shrink-0">
                                <polyline points="20 6 9 17 4 12"></polyline>
                            </svg>
                            <span class="text-gray-700">专属客户经理</span>
                        </div>
                    </div>
                    <div class="pricing-card__footer p-8">
                        <a href="#demo" class="btn btn--outline inline-block w-full py-3 border-2 border-purple-600 text-purple-600 font-medium rounded-full shadow-md hover:shadow-lg hover:-translate-y-1 transition-all duration-300 text-center">联系销售</a>
                    </div>
                </div>
            </div>
        </div>
    </section>

    <!-- 客户评价 -->
    <section class="testimonials bg-gradient-to-br from-indigo-50 via-white to-purple-50 relative overflow-hidden py-20">
        <!-- 背景装饰 -->
        <div class="absolute top-0 left-0 w-full h-full">
            <div class="absolute top-10 left-10 w-64 h-64 bg-indigo-200 rounded-full mix-blend-multiply filter blur-3xl opacity-30 animate-blob"></div>
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            <div class="absolute top-1/2 left-1/2 transform -translate-x-1/2 -translate-y-1/2 w-80 h-80 bg-pink-200 rounded-full mix-blend-multiply filter blur-3xl opacity-30 animate-blob animation-delay-4000"></div>
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        <div class="container mx-auto px-4 sm:px-6 lg:px-8 relative z-10">
            <div class="section-header section-header--center text-center mb-16">
                <span class="section-header__badge inline-block px-4 py-2 bg-indigo-100 text-indigo-600 rounded-full text-sm font-medium mb-4">客户评价</span>
                <h2 class="section-header__title text-4xl font-bold text-gray-800 mb-4 bg-gradient-to-r from-indigo-600 to-purple-600 bg-clip-text text-transparent">合作伙伴<br>的真实反馈</h2>
                <p class="section-header__desc text-xl text-gray-600 max-w-3xl mx-auto">来自各行业的合作伙伴对我们产品和服务的真实评价，见证我们的专业能力和服务质量。</p>
            </div>
            
            <div class="testimonials__slider max-w-5xl mx-auto">
                <!-- 评价滑块 1 -->
                <div class="testimonial-slide bg-white rounded-2xl shadow-xl p-8 md:p-12 relative animate-scale-in" data-animation-delay="300">
                    <!-- 引用图标 -->
                    <div class="testimonial-slide__quote absolute top-6 left-6 text-indigo-400">
                        <svg xmlns="http://www.w3.org/2000/svg" width="40" height="40" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="1" stroke-linecap="round" stroke-linejoin="round">
                            <path d="M14 2H6a2 2 0 0 0-2 2v16a2 2 0 0 0 2 2h12a2 2 0 0 0 2-2V8z"></path>
                            <polyline points="14 2 14 8 20 8"></polyline>
                            <line x1="16" y1="13" x2="8" y2="13"></line>
                            <line x1="16" y1="17" x2="8" y2="17"></line>
                            <polyline points="10 9 9 9 8 9"></polyline>
                        </svg>
                    </div>
                    
                    <!-- 评价内容 -->
                    <p class="testimonial-slide__text text-gray-700 text-lg md:text-xl leading-relaxed pt-6 pb-8 pl-6">比特门控物联网方案帮助我们快速实现了产品智能化转型，不仅提升了产品竞争力，还显著降低了开发成本和周期。他们的技术支持团队响应迅速，服务专业。</p>
                    
                    <!-- 评分 -->
                    <div class="testimonial-slide__rating flex mb-6">
                        <svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="#ffd700" stroke="#ffd700" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="mr-1">
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                        </svg>
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                        </svg>
                        <svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="#ffd700" stroke="#ffd700" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="mr-1">
                            <polygon points="12 2 15.09 8.26 22 9.27 17 14.14 18.18 21.02 12 17.77 5.82 21.02 7 14.14 2 9.27 8.91 8.26 12 2"></polygon>
                        </svg>
                        <svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="#ffd700" stroke="#ffd700" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="mr-1">
                            <polygon points="12 2 15.09 8.26 22 9.27 17 14.14 18.18 21.02 12 17.77 5.82 21.02 7 14.14 2 9.27 8.91 8.26 12 2"></polygon>
                        </svg>
                        <svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="#ffd700" stroke="#ffd700" stroke-width="2" stroke-linecap="round" stroke-linejoin="round">
                            <polygon points="12 2 15.09 8.26 22 9.27 17 14.14 18.18 21.02 12 17.77 5.82 21.02 7 14.14 2 9.27 8.91 8.26 12 2"></polygon>
                        </svg>
                    </div>
                    
                    <!-- 作者信息 -->
                    <div class="testimonial-slide__author flex items-center">
                        <div class="testimonial-slide__author-avatar w-16 h-16 rounded-full bg-gradient-to-br from-indigo-400 to-purple-500 flex items-center justify-center text-white text-2xl font-bold mr-4">张</div>
                        <div class="testimonial-slide__author-info">
                            <h4 class="testimonial-slide__author-name text-xl font-semibold text-gray-800">张总监</h4>
                            <p class="testimonial-slide__author-company text-gray-600">某知名门控设备制造商</p>
                        </div>
                    </div>
                </div>
                
                <!-- 评价滑块 2 -->
                <div class="testimonial-slide bg-white rounded-2xl shadow-xl p-8 md:p-12 relative animate-scale-in" data-animation-delay="400">
                    <!-- 引用图标 -->
                    <div class="testimonial-slide__quote absolute top-6 left-6 text-indigo-400">
                        <svg xmlns="http://www.w3.org/2000/svg" width="40" height="40" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="1" stroke-linecap="round" stroke-linejoin="round">
                            <path d="M14 2H6a2 2 0 0 0-2 2v16a2 2 0 0 0 2 2h12a2 2 0 0 0 2-2V8z"></path>
                            <polyline points="14 2 14 8 20 8"></polyline>
                            <line x1="16" y1="13" x2="8" y2="13"></line>
                            <line x1="16" y1="17" x2="8" y2="17"></line>
                            <polyline points="10 9 9 9 8 9"></polyline>
                        </svg>
                    </div>
                    
                    <!-- 评价内容 -->
                    <p class="testimonial-slide__text text-gray-700 text-lg md:text-xl leading-relaxed pt-6 pb-8 pl-6">作为一家技术能力有限的门控厂商，比特的软硬件一体化方案对我们来说简直是救命稻草。5分钟完成部署，让我们能够快速推出智能产品，抢占市场先机。</p>
                    
                    <!-- 评分 -->
                    <div class="testimonial-slide__rating flex mb-6">
                        <svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="#ffd700" stroke="#ffd700" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="mr-1">
                            <polygon points="12 2 15.09 8.26 22 9.27 17 14.14 18.18 21.02 12 17.77 5.82 21.02 7 14.14 2 9.27 8.91 8.26 12 2"></polygon>
                        </svg>
                        <svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="#ffd700" stroke="#ffd700" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="mr-1">
                            <polygon points="12 2 15.09 8.26 22 9.27 17 14.14 18.18 21.02 12 17.77 5.82 21.02 7 14.14 2 9.27 8.91 8.26 12 2"></polygon>
                        </svg>
                        <svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="#ffd700" stroke="#ffd700" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="mr-1">
                            <polygon points="12 2 15.09 8.26 22 9.27 17 14.14 18.18 21.02 12 17.77 5.82 21.02 7 14.14 2 9.27 8.91 8.26 12 2"></polygon>
                        </svg>
                        <svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="#ffd700" stroke="#ffd700" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="mr-1">
                            <polygon points="12 2 15.09 8.26 22 9.27 17 14.14 18.18 21.02 12 17.77 5.82 21.02 7 14.14 2 9.27 8.91 8.26 12 2"></polygon>
                        </svg>
                        <svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="#ffd700" stroke-width="2" stroke-linecap="round" stroke-linejoin="round">
                            <polygon points="12 2 15.09 8.26 22 9.27 17 14.14 18.18 21.02 12 17.77 5.82 21.02 7 14.14 2 9.27 8.91 8.26 12 2"></polygon>
                        </svg>
                    </div>
                    
                    <!-- 作者信息 -->
                    <div class="testimonial-slide__author flex items-center">
                        <div class="testimonial-slide__author-avatar w-16 h-16 rounded-full bg-gradient-to-br from-indigo-400 to-purple-500 flex items-center justify-center text-white text-2xl font-bold mr-4">李</div>
                        <div class="testimonial-slide__author-info">
                            <h4 class="testimonial-slide__author-name text-xl font-semibold text-gray-800">李总经理</h4>
                            <p class="testimonial-slide__author-company text-gray-600">某安防设备公司</p>
                        </div>
                    </div>
                </div>
            </div>
            
            <!-- 滑块指示器 -->
            <div class="testimonials__indicators flex justify-center mt-10 space-x-3">
                <button class="testimonial-indicator testimonial-indicator--active w-3 h-3 rounded-full bg-indigo-600 transition-all duration-300"></button>
                <button class="testimonial-indicator w-3 h-3 rounded-full bg-gray-300 transition-all duration-300 hover:bg-indigo-400"></button>
                <button class="testimonial-indicator w-3 h-3 rounded-full bg-gray-300 transition-all duration-300 hover:bg-indigo-400"></button>
            </div>
        </div>
    </section>

    <!-- 常见问题 -->
    <section id="faq" class="faq bg-white py-20">
        <div class="container mx-auto px-4 sm:px-6 lg:px-8">
            <div class="section-header section-header--center mb-16">
                <span class="section-header__badge inline-block px-4 py-1.5 bg-indigo-100 text-indigo-700 rounded-full text-sm font-medium mb-6">常见问题</span>
                <h2 class="section-header__title text-4xl md:text-5xl font-bold mb-6 bg-clip-text text-transparent bg-gradient-to-r from-indigo-700 to-purple-700">您可能想知道的<br>问题都在这里</h2>
                <p class="section-header__desc text-gray-600 text-lg mb-12 max-w-3xl mx-auto leading-relaxed">我们收集了客户最常提出的问题，如果您有其他疑问，请随时联系我们的技术支持团队。</p>
            </div>
            
            <div class="faq__accordion max-w-3xl mx-auto space-y-4">
                <!-- FAQ 项目 1 -->
                <div class="faq__item bg-gray-50 rounded-xl overflow-hidden shadow-sm transition-all duration-300">
                    <button class="faq__question w-full flex justify-between items-center p-6 text-left focus:outline-none" aria-expanded="false">
                        <span class="faq__question-text text-xl font-semibold text-gray-800">比特门控物联网方案支持哪些类型的门控设备？</span>
                        <svg class="faq__icon w-6 h-6 text-indigo-600 transition-transform duration-300" fill="none" stroke="currentColor" viewBox="0 0 24 24" xmlns="http://www.w3.org/2000/svg">
                            <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M19 9l-7 7-7-7"></path>
                        </svg>
                    </button>
                    <div class="faq__answer px-6 pb-6 hidden">
                        <p class="text-gray-600">我们的方案支持多种类型的门控设备，包括但不限于：车库门、工业门、卷帘门、庭院门、电动平移门、伸缩门等。只要设备支持标准的控制接口（如继电器输出、RS485、Modbus、CAN等），都可以快速接入我们的系统。</p>
                    </div>
                </div>
                
                <!-- FAQ 项目 2 -->
                <div class="faq__item bg-gray-50 rounded-xl overflow-hidden shadow-sm transition-all duration-300">
                    <button class="faq__question w-full flex justify-between items-center p-6 text-left focus:outline-none" aria-expanded="false">
                        <span class="faq__question-text text-xl font-semibold text-gray-800">设备接入流程复杂吗？需要多长时间？</span>
                        <svg class="faq__icon w-6 h-6 text-indigo-600 transition-transform duration-300" fill="none" stroke="currentColor" viewBox="0 0 24 24" xmlns="http://www.w3.org/2000/svg">
                            <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M19 9l-7 7-7-7"></path>
                        </svg>
                    </button>
                    <div class="faq__answer px-6 pb-6 hidden">
                        <p class="text-gray-600">我们的方案设计注重简单易用，标准设备接入通常只需要5-10分钟。整个流程包括：1)安装网关设备；2)设备通电联网；3)在管理平台进行简单配置；4)完成设备绑定。我们提供详细的接入指南和视频教程，技术支持团队也会全程协助。</p>
                    </div>
                </div>
                
                <!-- FAQ 项目 3 -->
                <div class="faq__item bg-gray-50 rounded-xl overflow-hidden shadow-sm transition-all duration-300">
                    <button class="faq__question w-full flex justify-between items-center p-6 text-left focus:outline-none" aria-expanded="false">
                        <span class="faq__question-text text-xl font-semibold text-gray-800">系统安全性如何保障？数据会被加密吗？</span>
                        <svg class="faq__icon w-6 h-6 text-indigo-600 transition-transform duration-300" fill="none" stroke="currentColor" viewBox="0 0 24 24" xmlns="http://www.w3.org/2000/svg">
                            <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M19 9l-7 7-7-7"></path>
                        </svg>
                    </button>
                    <div class="faq__answer px-6 pb-6 hidden">
                        <p class="text-gray-600">安全性是我们的首要考虑因素。系统采用多重安全机制：1)端到端加密传输(TLS 1.3)；2)设备双向认证；3)数据存储加密；4)权限分级管理；5)完整的操作审计日志。我们定期进行安全评估和漏洞扫描，确保系统符合行业最高安全标准。</p>
                    </div>
                </div>
                
                <!-- FAQ 项目 4 -->
                <div class="faq__item bg-gray-50 rounded-xl overflow-hidden shadow-sm transition-all duration-300">
                    <button class="faq__question w-full flex justify-between items-center p-6 text-left focus:outline-none" aria-expanded="false">
                        <span class="faq__question-text text-xl font-semibold text-gray-800">是否支持定制化开发和品牌定制？</span>
                        <svg class="faq__icon w-6 h-6 text-indigo-600 transition-transform duration-300" fill="none" stroke="currentColor" viewBox="0 0 24 24" xmlns="http://www.w3.org/2000/svg">
                            <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M19 9l-7 7-7-7"></path>
                        </svg>
                    </button>
                    <div class="faq__answer px-6 pb-6 hidden">
                        <p class="text-gray-600">是的，我们为企业客户提供全面的定制化服务。成长方案和企业方案支持：1)管理后台品牌定制(Logo、配色、域名)；2)API接口定制开发；3)特殊功能模块定制；4)硬件外观定制。我们的技术团队可以根据您的需求提供专业的定制化解决方案。</p>
                    </div>
                </div>
                
                <!-- FAQ 项目 5 -->
                <div class="faq__item bg-gray-50 rounded-xl overflow-hidden shadow-sm transition-all duration-300">
                    <button class="faq__question w-full flex justify-between items-center p-6 text-left focus:outline-none" aria-expanded="false">
                        <span class="faq__question-text text-xl font-semibold text-gray-800">如果断网了，设备还能正常工作吗？</span>
                        <svg class="faq__icon w-6 h-6 text-indigo-600 transition-transform duration-300" fill="none" stroke="currentColor" viewBox="0 0 24 24" xmlns="http://www.w3.org/2000/svg">
                            <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M19 9l-7 7-7-7"></path>
                        </svg>
                    </button>
                    <div class="faq__answer px-6 pb-6 hidden">
                        <p class="text-gray-600">是的，我们的系统设计考虑了离线场景。当网络中断时，设备会自动切换到本地控制模式，确保基本功能正常运行。网关设备会缓存操作指令和数据，待网络恢复后自动同步到云端。此外，我们还支持本地局域网控制，即使没有互联网连接，也可以在局域网内进行设备管理。</p>
                    </div>
                </div>
            </div>
            
            <div class="text-center mt-12">
                <p class="text-gray-600 mb-6">还有其他问题？</p>
                <a href="#demo" class="inline-flex items-center px-6 py-3 bg-gradient-to-r from-indigo-600 to-purple-600 text-white font-medium rounded-full shadow-lg hover:shadow-xl hover:-translate-y-1 transition-all duration-300">
                    联系我们的技术支持
                    <svg class="ml-2 w-5 h-5" fill="none" stroke="currentColor" viewBox="0 0 24 24" xmlns="http://www.w3.org/2000/svg">
                        <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M14 5l7 7m0 0l-7 7m7-7H3"></path>
                    </svg>
                </a>
            </div>
        </div>
    </section>

    <!-- 行动召唤 -->
    <section id="demo" class="cta bg-gradient-to-br from-indigo-600 to-purple-700 relative overflow-hidden py-20 text-white">
        <!-- 背景装饰 -->
        <div class="absolute top-0 left-0 w-full h-full opacity-20">
            <div class="absolute top-10 left-10 w-64 h-64 bg-white rounded-full mix-blend-overlay filter blur-3xl animate-blob"></div>
            <div class="absolute bottom-10 right-10 w-72 h-72 bg-white rounded-full mix-blend-overlay filter blur-3xl animate-blob animation-delay-2000"></div>
            <div class="absolute top-1/2 left-1/2 transform -translate-x-1/2 -translate-y-1/2 w-80 h-80 bg-white rounded-full mix-blend-overlay filter blur-3xl animate-blob animation-delay-4000"></div>
        </div>
        
        <div class="container mx-auto px-4 sm:px-6 lg:px-8 relative z-10">
            <div class="cta__inner max-w-6xl mx-auto bg-white/10 backdrop-blur-lg rounded-3xl p-8 md:p-12 shadow-xl">
                <div class="grid md:grid-cols-2 gap-10 items-center">
                    <div class="cta__content">
                        <h2 class="cta__title text-3xl md:text-4xl font-bold mb-4 leading-tight">准备好开启智能门控新时代了吗？</h2>
                        <p class="cta__desc text-lg text-indigo-100 mb-0">预约免费演示，了解如何快速实现产品智能化转型，提升市场竞争力。</p>
                    </div>
                    
                    <div class="cta__form">
                        <form class="demo-form bg-white/10 backdrop-blur-sm p-6 rounded-2xl">
                            <div class="demo-form__group mb-4">
                                <input type="text" class="demo-form__input w-full px-4 py-3 rounded-lg bg-white/20 border border-white/30 focus:outline-none focus:ring-2 focus:ring-white/50 placeholder-white/60 text-white" placeholder="企业名称" required>
                            </div>
                            <div class="demo-form__group mb-4">
                                <input type="text" class="demo-form__input w-full px-4 py-3 rounded-lg bg-white/20 border border-white/30 focus:outline-none focus:ring-2 focus:ring-white/50 placeholder-white/60 text-white" placeholder="联系人姓名" required>
                            </div>
                            <div class="demo-form__group mb-6">
                                <input type="tel" class="demo-form__input w-full px-4 py-3 rounded-lg bg-white/20 border border-white/30 focus:outline-none focus:ring-2 focus:ring-white/50 placeholder-white/60 text-white" placeholder="手机号码" required>
                            </div>
                            <button type="submit" class="demo-form__submit w-full btn btn--primary bg-white text-indigo-700 hover:bg-indigo-50 font-semibold py-3 px-6 rounded-lg transition-all duration-300 transform hover:scale-105 focus:outline-none focus:ring-2 focus:ring-white focus:ring-offset-2 focus:ring-offset-indigo-600">立即预约演示</button>
                        </form>
                    </div>
                </div>
            </div>
        </div>
    </section>

    <!-- 页脚 -->
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